diff --git a/src/corelib/kernel/qeventdispatcher_wasm.cpp b/src/corelib/kernel/qeventdispatcher_wasm.cpp
index 6c8f878f905..d2b01905fe8 100644
--- a/src/corelib/kernel/qeventdispatcher_wasm.cpp
+++ b/src/corelib/kernel/qeventdispatcher_wasm.cpp
@@ -3,6 +3,7 @@
 
 #include "qeventdispatcher_wasm_p.h"
 
+#include <QtCore/private/qabstracteventdispatcher_p.h> // for qGlobalPostedEventsCount()
 #include <QtCore/qcoreapplication.h>
 #include <QtCore/qthread.h>
 #include <QtCore/qsocketnotifier.h>
@@ -14,7 +15,6 @@
 QT_BEGIN_NAMESPACE
 
 // using namespace emscripten;
-extern int qGlobalPostedEventsCount(); // from qapplication.cpp
 
 Q_LOGGING_CATEGORY(lcEventDispatcher, "qt.eventdispatcher");
 Q_LOGGING_CATEGORY(lcEventDispatcherTimers, "qt.eventdispatcher.timers");
diff --git a/src/corelib/kernel/qeventdispatcher_win.cpp b/src/corelib/kernel/qeventdispatcher_win.cpp
index 6f9f07240d7..709e1494b90 100644
--- a/src/corelib/kernel/qeventdispatcher_win.cpp
+++ b/src/corelib/kernel/qeventdispatcher_win.cpp
@@ -18,8 +18,6 @@
 
 QT_BEGIN_NAMESPACE
 
-extern uint qGlobalPostedEventsCount();
-
 #ifndef TIME_KILL_SYNCHRONOUS
 #  define TIME_KILL_SYNCHRONOUS 0x0100
 #endif
diff --git a/tests/auto/corelib/kernel/qcoreapplication/tst_qcoreapplication.cpp b/tests/auto/corelib/kernel/qcoreapplication/tst_qcoreapplication.cpp
index 19767f945c4..0e64de151a0 100644
--- a/tests/auto/corelib/kernel/qcoreapplication/tst_qcoreapplication.cpp
+++ b/tests/auto/corelib/kernel/qcoreapplication/tst_qcoreapplication.cpp
@@ -7,6 +7,7 @@
 #include <QtCore/QtCore>
 #include <QTest>
 
+#include <private/qabstracteventdispatcher_p.h> // for qGlobalPostedEventsCount()
 #include <private/qcoreapplication_p.h>
 #include <private/qeventloop_p.h>
 #include <private/qthread_p.h>
@@ -513,10 +514,6 @@ void tst_QCoreApplication::applicationPid()
     QVERIFY(QCoreApplication::applicationPid() > 0);
 }
 
-QT_BEGIN_NAMESPACE
-Q_CORE_EXPORT uint qGlobalPostedEventsCount();
-QT_END_NAMESPACE
-
 class GlobalPostedEventsCountObject : public QObject
 {
     Q_OBJECT
diff --git a/tests/auto/corelib/thread/qthread/tst_qthread.cpp b/tests/auto/corelib/thread/qthread/tst_qthread.cpp
index 70ed8b523b2..125c969ea26 100644
--- a/tests/auto/corelib/thread/qthread/tst_qthread.cpp
+++ b/tests/auto/corelib/thread/qthread/tst_qthread.cpp
@@ -1195,10 +1195,6 @@ void tst_QThread::isRunningInFinished()
     }
 }
 
-QT_BEGIN_NAMESPACE
-Q_CORE_EXPORT uint qGlobalPostedEventsCount();
-QT_END_NAMESPACE
-
 class DummyEventDispatcher : public QAbstractEventDispatcher {
 public:
     DummyEventDispatcher() : QAbstractEventDispatcher() {}